数学及其英文表达

1/8        one eighth 

1/2361    one over two thousand three hundred and sixty one

分数    fraction

分子    numerator     /'njuːməreɪtə/

分母    denominator      /dɪ'nɒməneɪtə,/

除法    divide

小数    decimal fractions    /'desəməl/

整数    integer , integral part     /'ɪntədʒə/    /'ɪntəɡrəl/

精确到3位数    correct to three significant figures

四舍五入    rounding up or down

比例    3:4    the ratio of three to four

平方    power

立方    cube

指数    2^5    two to fifth

开平方    squared root

开立方    cube root

开方    6^(1/4)    fourth root of six

 

()    round bracket

[]    square bracket

{}    brace

 

导数    derivative 

偏导数    partial derivative

 

积分    integral 

the integral between the limits a and b of x y 

  the mixed partical derivative with respect to u and v 

三角形    triangle 

平行四边形    parallelogram     /ˌpærəˈleləɡræm/

垂直    perpendicular     /ˌpɜːpənˈdɪkjələ/

 

P'     P dash

A1    A sub one

 

无穷大    infinity     /ɪn'fɪnəti/

绝对值    absolute

x 的范数    the norm of x 

 

数列    sequence 

 

集合    set

交集    intersection 

并集    union

x∈R    x is in R

A⊆B    A is a subset of B

A是B的真子集    A is a proper subset of B

α -> β    if α then β

A <-> B    A is equivalent to B

空集    empty set

映射 f : x -> y     f maps x into y

约等于    approximately equal to

 

波长    wavelength

频率    frequency